API 5L Welded Line Pipe

Introduction
Specification

Application: For low-pressure fluid (water, oil, gas and other liquid ) transmission in oil and gas industry.

Standard & Grade: API 5L PSL1/PSL2, GR.B/X42/X46/X52/X56/X60/X65/X70
End: Square Ends/Plain Ends (straight cut, saw cut, torch cut), Beveled Ends, Threaded
Surface: Bare, Lightly Oiled, Black/Red/Yellow Painting, Zinc/Anti-corrosion Coating
Packing: Steel Strips bundled/In Bulk, Plastic Caps plugged, Waterproof Paper, wrapped etc.
 

OD: 219.1mm ~ 610mm

WT: 3.25mm ~ 17.5mm

LENGTH: 0.5mtr ~ 22mtr (5.8/6/11.8/12 meters, SRL, DRL)

Tolerance of Outside Diameter

Standard Out Diameter Tolerance of Pipe End Tolerance of Pipe Body
API 5L 219.1~273.1 +1.6mm, -0.4mm ±0.75%
274.0~320 +2.4mm, -0.8mm ±0.75%
323.9~457 +2.4mm, -0.8mm ±0.75%
508 +2.4mm, -0.8mm ±0.75%
559~610 +2.4mm, -0.8mm ±0.75%

Tolerance of Wall Thickness

Standard Grade Out Diameter Wall Thickness
API 5L A 219.1~457 +15%, -12.5%
B 508~610 +17.5%, -12.5%
X42-X80 508~610 +19.5%, -8%

 

Chemical Analysis & Mechanical Properties

Standard Class Grade Chemical Analysis(%) Mechanical Properties(min)(Mpa)
C Mn P S TensileStrength          Yield

Strength

API 5L PSL1 B 0.26 1.20 0.030 0.030 414 241
X42 0.26 1.30 0.030 0.030 414 290
X46 0.26 1.40 0.030 0.030 434 317
X52 0.26 1.40 0.030 0.030 455 359
X56 0.26 1.40 0.030 0.030 490 386
X60 0.26 1.40 0.030 0.030 517 414
X65 0.26 1.45 0.030 0.030 531 448
X70 0.26 1.65 0.030 0.030 565 483
PSL2 B 0.22 1.20 0.025 0.015 414 241
X42 0.22 1.30 0.025 0.015 414 290
X46 0.22 1.40 0.025 0.015 434 317
X52 0.22 1.40 0.025 0.015 455 359
X56 0.22 1.40 0.025 0.015 490 386
X60 0.22 1.40 0.025 0.015 517 414
X65 0.22 1.45 0.025 0.015 531 448
X70 0.22 1.65 0.025 0.015 565 483
X80 0.22 1.85 0.025 0.015 621 552

 

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